Clinical trials

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Search and review clinical trials. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Safety and Immunogenicity of the Monovalent Influenza Vaccine A (H5N8) (Inactivated, Fragmented and Adjuvanted) in Adults and Older Adults

This study aims to demonstrate the safety and immunogenicity of two formulations of the monovalent influenza vaccine candidate A (H5N8) (inactivated, fragmented, and adjuvanted with IB160) from the Instituto Butantan in adults and older adults, to be developed for situations of pandemic, epidemic or outbreak of avian type A/H5 in humans, in the context of pandemic preparedness.

Participants needed: 700
Trial details
Phase: Phase 1, Phase 2Age: 18+Biological sex: AllType: InterventionalSponsor: Butantan InstituteUpdated: Apr 2, 2026Locations: 5
Eligibility criteria

Males and non-pregnant females aged ≥ 18 years at the time of the first study va... [+5]

Having received any vaccine (including seasonal influenza) 28 days prior to the... [+25]

Status: Not yet recruiting

Trial to Evaluate the Immunogenicity and Safety of the Co-administration of Live Attenuated Dengue and Chikungunya Vaccines Compared to Separate Administration in Adults Aged 18 to 59 Years.

This randomized, controlled, double blind trial aims at assessing the safety and immunogenicity profiles of the co-administered Live Attenuated Dengue and Chikungunya vaccines comparatively to the isolated administration, in the adult population aged 18 to 59 years without prior exposure to either arbovirus.

Participants needed: 900
Trial details
Phase: Phase 3Age: 18-59Biological sex: AllType: InterventionalSponsor: Butantan InstituteUpdated: Mar 6, 2026Locations: 7
Eligibility criteria

Male or female adults aged 18 to 59 years at the time of vaccination. [+2]

Participation in another clinical trial within 28 days prior to screening or pla... [+15]

Status: Recruiting

Butantan-DV Vaccine in Elderly Populations (DEN-04-IB)

This is a randomized, double-blind (60 -79 years) and open-label (40-59 years), three-arm parallel Phase 3b, multicenter study to evaluate the safety and non-inferiority of the humoral immune response of the Butantan Dengue vaccine (Dengue 1,2,3,4 (attenuated)) in participants aged 60 -79 years (elderly) compared to participants aged 40 to 59 years (adults), with or without previous dengue and healthy based on clinical examination.

Participants needed: 997
Trial details
Phase: Phase 3Age: 40-79Biological sex: AllType: InterventionalSponsor: Butantan InstituteUpdated: Mar 6, 2026Locations: 5
Eligibility criteria

a. Healthy participants aged between 40 and 79 years at the time of study entry,...

a. For female participants with reproductive potential: pregnancy (confirmed by...